Dimir Amnesiac

Whenever Dimir Amnesiac enters the battlefield
or dies, target instant or sorcery card in your
graveyard gains Gravepact until end of turn.
Landfall - Whenever a land enters the battlefield
under your control, target player discards a card.
If an effect would have you exile a card with Gravepact from your graveyard, you may exile
this card instead.